Linear actuator



FIG. 1 is a perspective view of the linear actuator of the present invention;

FIG. 2 is a top plan view of the linear actuator of the present invention;

FIG. 3 is a bottom plan view of the linear actuator of the present invention;

FIG. 4 is a left side view of the linear actuator of the present invention;

FIG. 5 is a right side view of the linear actuator of the present invention;

FIG. 6; is a front end view of the linear actuator of the present invention; and,

FIG. 7 is a rear end view of the linear actuator of the present invention. 

The ornamental design for a linear actuator, as shown and described. 